COMP Cams 1.350" Spring Seat Cutter 91609159 Unlike competitor models

Unlike competitor models

2-Bolt Mains

309 Grade stainless steel line has been double annealed for easier bending and flaring

Replaceable Side Grip Plates

insulates your interior from road noise and heat

COMP Cams 1.350" Spring Seat Cutter 91609159 Unlike competitor modelsMost high performance engines today require the use of larger than stock diameter valve springs. This 1. 350" Spring Seat Cutter for installing single springs on GM Vortec Heads without hardened spring seats will allow the engine builder to machine the cylinder head to the proper size for your spring. Each cutter requires the use of an arbor pilot, which are available in three different sizes. This valve seat cutter allows you to enlarge the cylinder